Horizontal fin LED lamp fixture



FIG. 1 is a front perspective view of a horizontal fin LED lamp fixture showing my new design;

FIG. 2 is a left side elevational view thereof; and,

FIG. 3 is a top plan view thereof.

The dashed lines in FIGS. 1 and 2 are for illustrative purposes and form no part of the claimed design. 

The ornamental design for a horizontal fin LED lamp fixture, as shown and described. 